sion test of gb18285-2005 & hj/t289-2006. Chinese or english menu for easy operation Lcd screen Automatic zero resetting High-brightness digital display, automatic linear data process Automatic calculation and display of air-fuel ratio |Ë Equipped with rotation speed and oil temperature measure ports 460mm*240mm*230mm Net weight: 8.5kg Package dimension: Carton:595mm*310mm*345mm